[wdmaudiodev] Re: KMDF and AVStream revisited

  • From: Tim Roberts <timr@xxxxxxxxx>
  • To: "wdmaudiodev@xxxxxxxxxxxxx" <wdmaudiodev@xxxxxxxxxxxxx>
  • Date: Fri, 12 Nov 2010 13:43:31 -0800

Daniel Rice wrote:
> We have to build our own because we do a lot of custom stuff in our driver 
> specific to our products.

In MANY cases, it is much more expedient to implement something like
this by writing upper and/or lower filter drivers to usbaudio.sys.  That
way, you aren't trying to recreate the 12 years of development and
testing in the existing usbaudio.sys driver.

I've worked on 4 or 5 projects that implemented usbaudio filter drivers
to implement custom functionality.

Tim Roberts, timr@xxxxxxxxx
Providenza & Boekelheide, Inc.


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